Mitsubishi MELSEC Q Series Owner's manual

Structured Programming Manual
Mitsubishi
Programmable Controller
QCPU
(Common Instructions)

A-1
SAFETY PRECAUTIONS
(Always read these instructions before using this product.)
Before using the MELSEC-Q series programmable controller, thoroughly read the manuals attached to the
products and the relevant manuals introduced in the attached manuals. Also pay careful attention to safety and
handle the products properly.
Please keep this manual in a place where it is accessible when required and always forward it to the end user.

A-2
REVISIONS
The manual number is written at the bottom left of the back cover.
Japanese manual version SH-080736-B
©2008 MITSUBISHI ELECTRIC CORPORATION
Print date Manual number Revision
Jul., 2008 SH(NA)-080783ENG-A First edition
This manual confers no industrial property rights or any rights of any other kind, nor does it confer any patent licenses.
Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which
may occur as a result of using the contents noted in this manual.

A-3
INTRODUCTION
Thank you for purchasing the Mitsubishi MELSEC-Q series programmable controller.
Before using the product, thoroughly read this manual to develop full familiarity with the programming
specifications to ensure correct use.
Please forward this manual to the end user.
CONTENTS
SAFETY PRECAUTIONS ................................................................................................................................A - 1
REVISIONS.......................................................................................................................................................A - 2
INTRODUCTION...............................................................................................................................................A - 3
CONTENTS ......................................................................................................................................................A - 3
MANUALS.......................................................................................................................................................A - 11
1. OVERVIEW 1 - 1 to 1 - 4
1.1 Purpose of This Manual 1 - 2
1.2 Generic Terms and Abbreviations in This Manual 1 - 4
2. INSTRUCTION TABLES 2 - 1 to 2 - 38
2.1 Types of Instructions 2 - 2
2.2 How to Read Instruction Tables 2 - 3
2.3 Sequence Instructions 2 - 5
2.3.1 Contact instructions ....................................................................................................................... 2 - 5
2.3.2 Bond instructions ........................................................................................................................... 2 - 6
2.3.3 Output instructions......................................................................................................................... 2 - 6
2.3.4 Shift instructions ............................................................................................................................ 2 - 7
2.3.5 Master control instructions............................................................................................................. 2 - 7
2.3.6 End instructions ............................................................................................................................. 2 - 7
2.3.7 Other instructions........................................................................................................................... 2 - 7
2.4 Basic instructions 2 - 8
2.4.1 Comparison operation instructions ................................................................................................ 2 - 8
2.4.2 Arithmetic operation instructions.................................................................................................. 2 - 13
2.4.3 Data conversion instructions........................................................................................................ 2 - 15
2.4.4 Data transfer instructions............................................................................................................. 2 - 17
2.4.5 Program branch instructions........................................................................................................ 2 - 18
2.4.6 Program execution control instructions........................................................................................ 2 - 18
2.4.7 I/O refresh instructions................................................................................................................. 2 - 18
2.4.8 Other convenient instructions ...................................................................................................... 2 - 19
2.5 Application Instructions 2 - 20
2.5.1 Logical operation instructions ...................................................................................................... 2 - 20
2.5.2 Rotation instructions .................................................................................................................... 2 - 21
2.5.3 Shift instructions .......................................................................................................................... 2 - 22
2.5.4 Bit processing instructions ........................................................................................................... 2 - 23
2.5.5 Data processing instructions........................................................................................................ 2 - 24
2.5.6 Structured instructions ................................................................................................................. 2 - 26
2.5.7 Data table operation instructions ................................................................................................. 2 - 26
2.5.8 Buffer memory access instructions.............................................................................................. 2 - 27

A-4
2.5.9 Display instructions...................................................................................................................... 2 - 27
2.5.10 Debug/error diagnostics instructions ........................................................................................... 2 - 27
2.5.11 String processing instructions...................................................................................................... 2 - 28
2.5.12 Special function instructions ........................................................................................................ 2 - 31
2.5.13 Data control instructions .............................................................................................................. 2 - 33
2.5.14 Switch instructions ....................................................................................................................... 2 - 34
2.5.15 Clock instructions......................................................................................................................... 2 - 34
2.5.16 Program control instructions ........................................................................................................ 2 - 35
2.5.17 Other instructions......................................................................................................................... 2 - 36
2.5.18 QCPU instructions ...................................................................................................................... 2 - 37
2.5.19 Multiple CPU high speed transmission dedicated instructions ................................................... 2 - 38
3. CONFIGURATION OF INSTRUCTIONS 3 - 1 to 3 - 48
3.1 Configuration of Instructions 3 - 2
3.2 Labels 3 - 4
3.2.1 Global labels .................................................................................................................................. 3 - 4
3.2.2 Local labels.................................................................................................................................... 3 - 4
3.2.3 Label classes ................................................................................................................................. 3 - 4
3.2.4 Setting labels ................................................................................................................................. 3 - 5
3.2.5 Expressing methods of constants.................................................................................................. 3 - 5
3.3 Data Types 3 - 6
3.4 Method for Specifying Data 3 - 8
3.4.1 Bit data........................................................................................................................................... 3 - 8
3.4.2 Word (16 bits) data ........................................................................................................................ 3 - 9
3.4.3 Double word (32 bits) data........................................................................................................... 3 - 11
3.4.4 Single-precision real/double-precision real data.......................................................................... 3 - 13
3.4.5 String data ................................................................................................................................... 3 - 16
3.4.6 Arrays .......................................................................................................................................... 3 - 17
3.4.7 Structures .................................................................................................................................... 3 - 19
3.5 Device and Address 3 - 20
3.5.1 Device.......................................................................................................................................... 3 - 20
3.5.2 Address........................................................................................................................................ 3 - 20
3.6 EN and ENO 3 - 22
3.7 Index Setting 3 - 23
3.8 Precautions on Programming 3 - 34
3.9 Executing Conditions for Instructions 3 - 39
3.10 Operation of OUT Instructions, SET/RST Instructions, or PLS/PLF Instructions Using Same Device 3 - 40
3.11 Precautions on Using File Registers 3 - 45
4. HOW TO READ INSTRUCTIONS 4 - 1 to 4 - 4

A-5
5. SEQUENCE INSTRUCTIONS 5 - 1 to 5 - 54
5.1 Contact Instructions 5 - 2
5.1.1 Operation start, series connection, parallel connection ................................................................. 5 - 2
5.1.2 Pulse operation start, pulse series connection, pulse parallel connection..................................... 5 - 4
5.2 Bond Instructions 5 - 6
5.2.1 Ladder block series connection and parallel connection ............................................................... 5 - 6
5.2.2 Operation result push/read/pop ..................................................................................................... 5 - 8
5.2.3 Operation result inversion............................................................................................................ 5 - 11
5.2.4 Pulse conversion of operation result............................................................................................ 5 - 13
5.2.5 Pulse conversion of edge relay operation result.......................................................................... 5 - 15
5.3 Output Instructions 5 - 18
5.3.1 Out instruction (excluding timers, counters and annunciators).................................................... 5 - 18
5.3.2 Timer ......................................................................................................................................... 5 - 20
5.3.3 Counter ........................................................................................................................................ 5 - 24
5.3.4 Annunciator output....................................................................................................................... 5 - 27
5.3.5 Setting devices (excluding annunciators) .................................................................................... 5 - 29
5.3.6 Resetting devices (excluding annunciators) ................................................................................ 5 - 31
5.3.7 Setting and resetting annunciators .............................................................................................. 5 - 34
5.3.8 Rising pulse and falling pulse outputs ......................................................................................... 5 - 37
5.3.9 Bit device output inversion........................................................................................................... 5 - 40
5.3.10 Pulse conversion of direct output................................................................................................. 5 - 42
5.4 Shift Instructions 5 - 44
5.4.1 Bit device shift.............................................................................................................................. 5 - 44
5.5 Master Control Instructions 5 - 47
5.5.1 Setting and resetting master control ............................................................................................ 5 - 47
5.6 End Instructions 5 - 51
5.6.1 Ending main routine program ...................................................................................................... 5 - 51
5.7 Other Instructions 5 - 53
5.7.1 Sequence program stop .............................................................................................................. 5 - 53
6. BASIC INSTRUCTIONS 6 - 1 to 6 - 178
6.1 Comparison Operation Instructions 6 - 2
6.1.1 16-bit BIN data comparison ........................................................................................................... 6 - 2
6.1.2 32-bit BIN data comparison ........................................................................................................... 6 - 5
6.1.3 Floating-point data comparison (single precision) ......................................................................... 6 - 8
6.1.4 Floating-point data comparison (double precision)...................................................................... 6 - 11
6.1.5 Character string data comparison................................................................................................ 6 - 14
6.1.6 BIN block data comparison.......................................................................................................... 6 - 18
6.2 Arithmetic Operation Instructions 6 - 22
6.2.1 16-bit BIN data addition and subtraction...................................................................................... 6 - 22
6.2.2 32-bit BIN data addition and subtraction...................................................................................... 6 - 24
6.2.3 16-bit BIN data multiplication and division ................................................................................... 6 - 27
6.2.4 32-bit BIN data multiplication and division ................................................................................... 6 - 30
6.2.5 4-digit BCD data addition and subtraction ................................................................................... 6 - 33
6.2.6 8-digit BCD data addition and subtraction ................................................................................... 6 - 35
6.2.7 4-digit BCD data multiplication and division................................................................................. 6 - 37
6.2.8 8-digit BCD data multiplication and division................................................................................. 6 - 39
6.2.9 Floating-point data addition and subtraction (single precision).................................................... 6 - 42

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6.2.10 Floating-point data addition and subtraction (double precision) .................................................. 6 - 45
6.2.11 Floating-point data multiplication and division (single precision) ................................................. 6 - 48
6.2.12 Floating-point data multiplication and division (double precision)................................................ 6 - 51
6.2.13 Block data addition and subtraction............................................................................................. 6 - 54
6.2.14 Character string data concatenation............................................................................................ 6 - 57
6.2.15 16-bit BIN data increment and decrement ...................................................................................6- 59
6.2.16 32-bit BIN data increment and decrement ...................................................................................6- 62
6.3 Data Conversion Instructions 6 - 65
6.3.1 BIN data to 4-/8-digit BCD data conversion.................................................................................6-65
6.3.2 4-/8-digit BCD data to BIN data conversion .................................................................................6- 68
6.3.3 16-/32-bit BIN data to floating-point data conversion (single precision) ...................................... 6 - 71
6.3.4 16-/32-bit BIN data to floating-point data conversion (double precision) ..................................... 6 - 74
6.3.5 Floating-point data to 16-/32-bit BIN data conversion (single precision) ..................................... 6 - 77
6.3.6 Floating-point data to 16-bit/32-bit BIN data conversion (double precision) ................................ 6 - 80
6.3.7 16-bit BIN data to 32-bit BIN data conversion ............................................................................. 6 - 83
6.3.8 32-bit BIN data to 16-bit BIN data conversion ............................................................................. 6 - 85
6.3.9 16-/32-bit BIN data to Gray code conversion............................................................................... 6 - 87
6.3.10 Gray code to 16-/32-bit BIN data conversion...............................................................................6-89
6.3.11 Two’s complement of 16-/32-bit BIN data (sign inversion) .......................................................... 6 - 91
6.3.12 Sign inversion of floating-point data (single precision) ................................................................ 6 - 93
6.3.13 Sign inversion of floating-point data (double precision) ............................................................... 6 - 95
6.3.14 16-bit BIN block data to 4-digit BCD block data conversion ........................................................ 6 - 97
6.3.15 4-digit BCD block data to 16-bit BIN block data conversion ...................................................... 6 - 100
6.3.16 Single-precision to double-precision conversion ....................................................................... 6 - 103
6.3.17 Double-precision to single-precision conversion ....................................................................... 6 - 105
6.4 Data Transfer Instructions 6 - 107
6.4.1 16-/32-bit data transfer .............................................................................................................. 6 - 107
6.4.2 Floating-point data transfer (single precision)............................................................................6-110
6.4.3 Floating-point data transfer (double precision) .......................................................................... 6 - 112
6.4.4 Character string data transfer .................................................................................................... 6 - 114
6.4.5 16-/32-bit data negation transfer................................................................................................ 6 - 117
6.4.6 16-bit block data transfer ........................................................................................................... 6 - 122
6.4.7 Identical 16-bit block data transfer............................................................................................. 6 - 126
6.4.8 16-/32-bit data exchange ........................................................................................................... 6 - 129
6.4.9 16-bit block data exchange........................................................................................................ 6 - 132
6.4.10 Upper and lower bytes exchange .............................................................................................. 6 - 135
6.5 Program Branch Instructions 6 - 137
6.5.1 Pointer branch instructions ........................................................................................................ 6 - 137
6.5.2 Jump to END ............................................................................................................................. 6 - 140
6.6 Program Execution Control Instructions 6 - 142
6.6.1 Interrupt disable/enable instructions, interrupt program mask................................................... 6 - 142
6.6.2 Recovery from interrupt programs ............................................................................................. 6 - 147
6.7 I/O Refresh Instructions 6 - 150
6.7.1 I/O refresh.................................................................................................................................. 6 - 150
6.8 Other Convenient Instructions 6 - 152
6.8.1 Single-phase input up/down counter .........................................................................................6-152
6.8.2 Two-phase input up/down counter............................................................................................. 6 - 155
6.8.3 Teaching timer ........................................................................................................................... 6 - 158
6.8.4 Special function timer ................................................................................................................ 6 - 160
6.8.5 Rotary table shortest direction control ....................................................................................... 6 - 163

A-7
6.8.6 Ramp signal............................................................................................................................... 6 - 166
6.8.7 Pulse density measurement ...................................................................................................... 6 - 169
6.8.8 Fixed cycle pulse output ............................................................................................................ 6 - 171
6.8.9 Pulse width modulation.............................................................................................................. 6 - 173
6.8.10 Matrix input ................................................................................................................................ 6 - 175
7. APPLICATION INSTRUCTIONS 7 - 1 to 7 - 368
7.1 Logical Operation Instructions 7 - 2
7.1.1 Logical AND operation on 16-/32-bit data...................................................................................... 7 - 3
7.1.2 Logical AND operation on block data ............................................................................................ 7 - 6
7.1.3 Logical OR operation on 16-/32-bit data........................................................................................ 7 - 9
7.1.4 Logical OR operation on block data............................................................................................. 7 - 12
7.1.5 Exclusive OR operation on 16-/32-bit data ..................................................................................7-15
7.1.6 Exclusive OR operation on block data......................................................................................... 7 - 18
7.1.7 Exclusive NOR operation on 16-/32-bit data ............................................................................... 7 - 21
7.1.8 Exclusive NOR operation on block data ......................................................................................7-24
7.2 Rotation Instructions 7 - 27
7.2.1 Right rotation of 16-bit data ......................................................................................................... 7 - 27
7.2.2 Left rotation of 16-bit data............................................................................................................ 7 - 31
7.2.3 Right rotation of 32-bit data ......................................................................................................... 7 - 35
7.2.4 Left rotation of 32-bit data............................................................................................................ 7 - 38
7.3 Shift Instructions 7 - 41
7.3.1 n-bit right/left shift of 16-bit data .................................................................................................. 7 - 41
7.3.2 1-bit right/left shift of n-bit data .................................................................................................... 7 - 44
7.3.3 1-word right/left shift of n-word data ............................................................................................ 7 - 47
7.4 Bit Processing Instructions 7 - 50
7.4.1 Bit set and reset of word devices................................................................................................. 7 - 50
7.4.2 Bit test ......................................................................................................................................... 7 - 53
7.4.3 Batch reset of bit devices............................................................................................................. 7 - 56
7.5 Data Processing Instructions 7 - 58
7.5.1 16-/32-bit data search.................................................................................................................. 7 - 58
7.5.2 16-/32-bit data bit check .............................................................................................................. 7 - 62
7.5.3 Decoding from 8 to 256 bits......................................................................................................... 7 - 65
7.5.4 Encoding from 256 to 8 bits ......................................................................................................... 7 - 67
7.5.5 7-segment decode ....................................................................................................................... 7 - 69
7.5.6 4-bit separation of 16-bit data ...................................................................................................... 7 - 72
7.5.7 4-bit connection of 16-bit data ..................................................................................................... 7 - 74
7.5.8 Separation and connection of random data................................................................................. 7 - 76
7.5.9 Separation and connection of data in units of bytes .................................................................... 7 - 81
7.5.10 Maximum value search of 16-/32-bit data.................................................................................... 7 - 85
7.5.11 Minimum value search of 16-/32-bit data..................................................................................... 7 - 88
7.5.12 Sorting 16-/32-bit data ................................................................................................................. 7 - 91
7.5.13 Total calculation of 16-bit data..................................................................................................... 7 - 96
7.5.14 Total calculation of 32-bit data..................................................................................................... 7 - 98
7.6 Structured Instructions 7 - 100
7.6.1 FOR to NEXT instruction loop ................................................................................................... 7 - 100
7.6.2 Forced termination of FOR to NEXT instruction loop ................................................................ 7 - 103
7.6.3 Subroutine program call............................................................................................................. 7 - 106
7.6.4 Return from subroutine program................................................................................................ 7 - 108
7.6.5 Refresh instruction..................................................................................................................... 7 - 110

A-8
7.7 Data Table Operation Instructions 7 - 113
7.7.1 Writing data to data table........................................................................................................... 7 - 113
7.7.2 Reading oldest data from data table.......................................................................................... 7 - 116
7.7.3 Reading newest data from data table ........................................................................................7-119
7.7.4 Deleting/inserting data from/to data table .................................................................................. 7 - 122
7.8 Buffer Memory Access Instructions 7 - 125
7.8.1 Reading 1-/2-word data from intelligent function module .......................................................... 7 - 125
7.8.2 Writing 1-/2-word data to intelligent function module................................................................. 7 - 128
7.9 Display Instructions 7 - 132
7.9.1 Printing ASCII code ................................................................................................................... 7 - 132
7.9.2 Printing comments ..................................................................................................................... 7 - 136
7.9.3 Resetting error display or annunciator....................................................................................... 7 - 140
7.10 Debug/Error Diagnostics Instructions 7 - 143
7.10.1 Special format error check......................................................................................................... 7 - 143
7.10.2 Changing check format of the CHK instruction.......................................................................... 7 - 147
7.11 String Processing Instructions 7 - 151
7.11.1 16-/32-bit BIN data to decimal ASCII data conversion .............................................................. 7 - 151
7.11.2 16-/32-bit BIN data to hexadecimal ASCII data conversion....................................................... 7 - 156
7.11.3 4-/8-digit BCD data to decimal ASCII data conversion .............................................................. 7 - 161
7.11.4 Decimal ASCII data to 16-/32-bit BIN data conversion.............................................................. 7 - 166
7.11.5 Hexadecimal ASCII data to 16-/32-bit BIN data conversion ...................................................... 7 - 170
7.11.6 Decimal ASCII data to 4-/8-digit BCD data conversion ............................................................. 7 - 173
7.11.7 Reading device comment data .................................................................................................. 7 - 176
7.11.8 Character string length detection............................................................................................... 7 - 180
7.11.9 16-/32-bit BIN data to character string data conversion ............................................................ 7 - 182
7.11.10Character string data to 16-/32-bit BIN data conversion........................................................... 7 - 189
7.11.11Floating-point data to character string data conversion ............................................................ 7 - 194
7.11.12Character string data to floating-point data conversion ............................................................ 7 - 201
7.11.13Hexadecimal BIN data to ASCII data conversion ..................................................................... 7 - 206
7.11.14ASCII data to hexadecimal BIN data conversion ...................................................................... 7 - 209
7.11.15Extraction of character string data from right/left ......................................................................7-212
7.11.16Random selection and replacement in character string data.................................................... 7 - 215
7.11.17Character string data search..................................................................................................... 7 - 220
7.11.18Floating-point data to BCD format conversion .......................................................................... 7 - 223
7.11.19BCD format to floating-point data conversion ........................................................................... 7 - 226
7.12 Special Function Instructions 7 - 228
7.12.1 SIN operation on floating-point data (single precision) .............................................................. 7 - 228
7.12.2 SIN operation on floating-point data (double precision)............................................................. 7 - 230
7.12.3 COS operation on floating-point data (single precision) ............................................................ 7 - 232
7.12.4 COS operation on floating-point data (double precision)........................................................... 7 - 234
7.12.5 TAN operation on floating-point data (single precision)............................................................. 7 - 236
7.12.6 TAN operation on floating-point data (double precision) ........................................................... 7 - 238
7.12.7 SIN-1 operation on floating-point data (single precision) ........................................................... 7 - 240
7.12.8 SIN-1 operation on floating-point data (double precision) .......................................................... 7 - 243
7.12.9 COS -1 operation on floating-point data (single precision)......................................................... 7 - 245
7.12.10COS -1 operation on floating-point data (double precision)....................................................... 7 - 248
7.12.11TAN -1 operation on floating-point data (single precision)......................................................... 7 - 250
7.12.12TAN -1 operation on floating-point data (double precision) ....................................................... 7 - 252
7.12.13Degree to radian conversion on floating-point data (single precision) ...................................... 7 - 254
7.12.14Degree to radian conversion on floating-point data (double precision)................................... 7 - 256

A-9
7.12.15Radian to degree conversion on floating-point data (single precision) ..................................... 7 - 258
7.12.16Radian to degree conversion on floating-point data (double precision).................................. 7 - 260
7.12.17Square root operation on floating-point data (single precision) ................................................ 7 - 262
7.12.18Square root operation on floating-point data (double precision) ............................................... 7 - 264
7.12.19Exponential operation on floating-point data (single precision) ................................................ 7 - 266
7.12.20Exponential operation on floating-point data (double precision)............................................... 7 - 269
7.12.21Natural logarithm operation on floating-point data (single precision)........................................ 7 - 272
7.12.22Natural logarithm operation on floating-point data (double precision) ...................................... 7 - 275
7.12.23Random number generation and series update........................................................................ 7 - 277
7.12.24Square root operation on 4-/8-digit BCD data........................................................................... 7 - 279
7.12.25SIN operation on data in BCD format ....................................................................................... 7 - 283
7.12.26COS operation on data in BCD format......................................................................................7-286
7.12.27TAN operation on data in BCD format ......................................................................................7-289
7.12.28SIN -1 operation on data in BCD format.................................................................................... 7 - 292
7.12.29COS -1 operation on data in BCD format .................................................................................. 7 - 295
7.12.30TAN -1 operation on data in BCD format................................................................................... 7 - 298
7.13 Data Control Instructions 7 - 300
7.13.1 Upper and lower limit controls of 16-/32-bit BIN data ................................................................ 7 - 300
7.13.2 Dead band control of 16-/32-bit BIN data ..................................................................................7-304
7.13.3 Zone control of 16-/32-bit BIN data............................................................................................ 7 - 308
7.14 Switch Instructions 7 - 312
7.14.1 Switching file register block numbers ........................................................................................ 7 - 312
7.14.2 Setting file register files.............................................................................................................. 7 - 315
7.14.3 Setting files for comments ......................................................................................................... 7 - 318
7.15 Clock Instructions 7 - 321
7.15.1 Reading clock data .................................................................................................................... 7 - 321
7.15.2 Writing clock data ...................................................................................................................... 7 - 324
7.15.3 Clock data addition .................................................................................................................... 7 - 327
7.15.4 Clock data subtraction ............................................................................................................... 7 - 330
7.15.5 Time data conversion (hour/minute/second format to seconds)................................................ 7 - 333
7.15.6 Time data conversion (seconds to hour/minute/second format)................................................ 7 - 335
7.16 Program Control Instructions 7 - 337
7.16.1 Program standby ....................................................................................................................... 7 - 337
7.16.2 Program output OFF standby .................................................................................................... 7 - 339
7.16.3 Registering program as scan execution type............................................................................. 7 - 341
7.16.4 Registering program as low-speed execution type.................................................................... 7 - 343
7.16.5 Checking program execution status .......................................................................................... 7 - 345
7.17 Other Instructions 7 - 347
7.17.1 Resetting watchdog timer .......................................................................................................... 7 - 347
7.17.2 Timing pulse generation ............................................................................................................ 7 - 349
7.17.3 Time check instruction ............................................................................................................... 7 - 351
7.17.4 Reading 1 byte directly from file register ................................................................................... 7 - 353
7.17.5 Writing 1 byte directly to file register.......................................................................................... 7 - 356
7.17.6 Reading indirect address ........................................................................................................... 7 - 359
7.17.7 Numeric input from keyboard..................................................................................................... 7 - 360
7.17.8 Batch save and recovery of index registers............................................................................... 7 - 365

A-10
8. QCPU INSTRUCTIONS 8 - 1 to 8 - 68
8.1 Reading Module Information 8 - 2
8.2 Trace Set/Reset 8 - 6
8.3 Writing Data to Specified File 8 - 9
8.4 Reading Data from Specified File 8 - 20
8.5 Writing Data to Standard ROM 8 - 33
8.6 Reading Data from Standard ROM 8 - 36
8.7 Program Load from Memory Card 8 - 38
8.8 Program Unload from Program Memory 8 - 42
8.9 Load and Unload 8 - 45
8.10 File Register High-Speed Block Transfer 8 - 48
8.11 Writing Data to Host CPU Shared Memory 8 - 52
8.11.1 Writing data to host CPU shared memory ................................................................................... 8 - 53
8.11.2 Writing data to host CPU shared memory ................................................................................... 8 - 57
8.12 Reading Data from Other CPU Shared Memory 8 - 60
8.12.1 Reading data from other CPU shared memory ........................................................................... 8 - 61
8.13 Selection of Refresh Instructions 8 - 65
9. MULTIPLE CPU HIGH SPEED TRANSMISSION DEDICATED INSTRUCTIONS 9 - 1 to 9 - 20
9.1 Overview 9 - 2
9.2 Writing Device Data to Other CPUs 9 - 12
9.3 Reading Device Data from Other CPUs 9 - 16
APPENDIX App - 1 to App - 8
Appendix 1 Correspondence between Generic Data Types and Devices App - 2
Appendix 2 Correspondence between Devices and Addresses App - 6
INDEX Index - 1 to Index - 8

A-11
MANUALS
Related manuals are separately issued according to the purpose of their functions in GX Works2.
The manuals related to this product are shown below.
Refer to the following tables when ordering required manuals.
(1) Structured programming
(2) Operation of GX Works2
The Operating Manual is included in the CD-ROM with the software package.
Manuals in printed form are sold separately. Order a manual by quoting the
manual number (model code) listed in the table above.
Manual name Manual number
(Model code)
QCPU Structured Programming Manual (Fundamentals)
Explains the programming method, types of programming languages, and other information required to create
structured programs. (Sold separately)
SH-080782ENG
(13JW06)
QCPU Structured Programming Manual (Application Functions)
Explains the specifications and functions of application functions that can be used in structured programs.
(Sold separately)
SH-080784ENG
(13JW08)
QCPU Structured Programming Manual (Special Instructions)
Explains the specifications and functions of instructions for network modules, intelligent function modules, and PID
control function that can be used in structured programs.
(Sold separately)
SH-080785ENG
(13JW09)
Manual name Manual number
(Model code)
GX Works2 Version1 Operating Manual (Common)
Explains the system configuration of GX Works2 and the functions common to a Simple project and Structured project
such as parameter setting, operation method for the online function.
(Sold separately)
SH-080779ENG
(13JU63)
GX Works2 Version1 Operating Manual (Structured Project)
Explains operation methods such as creating and monitoring programs in Structured project of GX Works2.
(Sold separately)
SH-080781ENG
(13JU65)
GX Works2 Beginner’s Manual (Structured Project)
Explains fundamental operation methods such as creating, editing, and monitoring programs in Structured project for
users inexperienced with GX Works2.
(Sold separately)
SH-080788ENG
(13JZ23)
Related manuals

A-12
MEMO

1
OVERVIEW
2
INSTRUCTION TABLES
3
CONFIGURATION OF INSTRUCTIONS
4
HOW TO READ INSTRUCTIONS
5
SEQUENCE INSTRUCTIONS
6
BASIC INSTRUCTIONS
7
APPLICATION INSTRUCTIONS
1
1-1
OVERVIEW
1.1 Purpose of This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.2 Generic Terms and Abbreviations in This Manual . . . . . . . . . . . . . . . . . . . . . . 1-4

1-2 1.1 Purpose of This Manual
1.1 Purpose of This Manual
This manual explains the common instructions used for creating structured programs.
Manuals for reference are listed in the following table according to their purpose.
For information such as the contents and number of each manual, refer to the list of 'Related
manuals'.
(1) Operation of GX Works2
Purpose
GX Works2
Installation
Instructions
GX Works2
Beginner’s Manual
GX Works2 Version1
Operating Manual
−Simple
Project
Structured
Project Common Simple Project
Structured
Project
Installation
Learning the operating
environment and
installation method
Operation of Simple
project
Learning the basic
operations and
operating procedures
Learning the functions
and operation
methods for
programming
Learning all functions
and operation
methods except for
programming
Operation of Structured
project
Learning the basic
operations and
operating procedures
Learning the functions
and operation
methods for
programming
Learning all functions
and operation
methods except for
programming
Details
Details
Outline Outline
Outline
Details
Details
Details
Outline Outline
Outline
Details Details
Details

1.1 Purpose of This Manual 1-3
1
OUTLINE
(2) Programming
Purpose
QCPU Structured Programming Manual QCPU(Q mode)/QnACPU
Programming Manual
User's Manual for
intelligent function
module/
Reference Manual
for network
module
Fundamentals
Common
Instructions
Special
Instructions
Application
Functions
Common
Instructions
PID Control
Instructions
−
Programming
in Simple
project
Learning the types
and details of
common
instructions,
descriptions of
error codes, special
relays, and special
registers
Learning the types
and details of
instructions for
intelligent function
modules
Learning the types
and details of
instructions for
network modules
Learning the types
and details of
instructions for the
PID control function
Programming
in Structured
project
Learning the
fundamentals for
creating a
structured program
for the first time
Learning the types
and details of
common
instructions
Learning the types
and details of
instructions for
intelligent function
modules
Learning the types
and details of
instructions for
network modules
Learning the types
and details of
instructions for the
PID control function
Learning the
descriptions of
error codes, special
relays, and special
registers
Learning the types
and details of
application
functions
Details
Details
Details
Details
Details
Details
Details Details
Details Details
Details Details
Details
Details

1-4 1.2 Generic Terms and Abbreviations in This Manual
1.2 Generic Terms and Abbreviations in This Manual
This manual uses the generic terms and abbreviations listed in the following table to discuss the
software packages and programmable controller CPUs. Corresponding module models are also
listed if needed.
Generic term and
abbreviation Description
GX Works2 Generic product name for the SWnDNC-GXW2-E (n: version)
High Performance model
QCPU Generic term for the Q02, Q02H, Q06H, Q12H, and Q25H
Universal model QCPU Generic term for the Q02U, Q03UD, Q03UDE, Q04UDH, Q04UDEH, Q06UDH, Q06UDEH, Q13UDH,
Q13UDEH, Q26UDH, and Q26UDEH
QCPU Generic term for the High Performance model QCPU and Universal model QCPU
QnCPU Generic term for the Q02
QnHCPU Generic term for the Q02H, Q06H, Q12H, and Q25H
QnUCPU Generic term for the Q02U, Q03UD, Q03UDE, Q04UDH, Q04UDEH, Q06UDH, Q06UDEH, Q13UDH,
Q13UDEH, Q26UDH, and Q26UDEH
QnU(D)(H)CPU Generic term for the Q02U, Q03UD, Q04UDH, Q06UDH, Q13UDH, and Q26UDH
QnUD(H)CPU Generic term for the Q03UD, Q04UDH, Q06UDH, Q13UDH, and Q26UDH
QnUDE(H)CPU Generic term for the Q03UDE, Q04UDEH, Q06UDEH, Q13UDEH, and Q26UDEH
CPU module Generic term for the High Performance model QCPU and Universal model QCPU
Personal computer Generic term for personal computer on which Windows®operates
IEC61131-3 Abbreviation for the IEC 61131-3 international standard
Common instruction Generic term for the sequence instructions, basic instructions, and application instructions
Special instruction Generic term for the PID control instructions and module dedicated instructions
CC-Link IE Controller
Network Abbreviation for the CC-Link IE controller network system

1
OVERVIEW
2
INSTRUCTION TABLES
3
CONFIGURATION OF INSTRUCTIONS
4
HOW TO READ INSTRUCTIONS
5
SEQUENCE INSTRUCTIONS
6
BASIC INSTRUCTIONS
7
APPLICATION INSTRUCTIONS
2
2-1
INSTRUCTION TABLES
2.1 Types of Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.2 How to Read Instruction Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.3 Sequence Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.4 Basic instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.5 Application Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

2-2 2.1 Types of Instructions
2.1 Types of Instructions
Instructions for CPU modules are classified into sequence instructions, basic instructions, and
application instructions. Table 2.1 shows the types of instructions.
Table 2.1 Types of instructions
Type of instruction Description Reference
Sequence
instruction
Contact instruction Operation start, series connection, parallel connection
Chapter 5
Bond instruction Ladder block connection, operation result pulse, operation result store/read
Output instruction Bit device output, pulse output, output inversion
Shift instruction Bit device shift
Master control instruction Master control
End instruction Program conclusion
Other instructions Instructions not classified into the above types, such as program stop and no
operation
Basic
instruction
Comparison operation
instruction Comparison such as =, , and
Chapter 6
Arithmetic operation instruction Addition, subtraction, multiplication, and division of BIN or BCD data
Data conversion instruction Conversion from BCD to BIN data and vice versa
Data transfer instruction Specified data transfer
Program branch instruction Program jump
Program execution control
instruction Enable/disable interrupt programs
I/O refresh instruction Partial refresh execution
Other convenient instructions Instructions such as up/down counter, teaching timer, special function timer, and
rotary table shortest direction control
Application
instruction
Logical operation instruction Logical operations such as logical OR and logical AND
Chapter 7
Rotation instruction Specified data rotation
Shift instruction Specified data shift
Bit processing instruction Bit set/reset, bit test, bit device batch reset
Data processing instruction Data processes such as 16-bit data search, decode, and encode
Structured instruction Repeated operation, subroutine program call, index setting in units of ladder
Data table operation instruction Data read/write from/to data tables
Buffer memory access
instruction Data read/write from/to intelligent function module
Display instruction ASCII code print, LED display of characters
Debug/error diagnostics
instruction Error check, status latch, sampling trace, program trace
String processing instruction
Conversion from BIN/BCD data to ASCII data and vice versa, conversion from BIN
data to character string data and vice versa, conversion from floating-point data to
character string data and vice versa, character string process
Special function instruction Trigonometric functions, conversion from degree to radian and vice versa,
exponential operation, natural logarithm, square root
Data control instruction Upper/lower limit control, dead band control, zone control
Switch instruction File register block numbers switch, file register/comment file specification
Clock instruction
Clock data (year, month, day, hours, minute, second, and day of the week) read/
write, and time data conversion from hour/minute/second format to seconds and vice
versa
Program control instruction Switch instruction of program executing conditions
Other instructions Instructions not classified into the above types, such as WDT reset and timing clock
QCPU
instruction QCPU instruction
Module information read, trace set/reset, binary data read/write, program load/
unload/load+unload to/from memory card, file register high-speed block transfer,
data write to host CPU shared memory, data read from other CPU shared memory,
selection of refresh instructions
Chapter 8
Multiple CPU
high speed
transmission
dedicated
instruction
Multiple CPU device data write/
read instruction Device data write to other CPU, device data read from other CPU Chapter 9